[CI] Clustering: Split Brain problem

[Anuj Garg]

In a clustered environment typically hosts are interconnected
using network connection, and maintains record of each other
health using heartbeat mechanism.

If network link between hosts is down then it splits the network
in two halfs with each host assuming that it is the master of
the network. Since there is no connection between the hosts they
can't differentiate between the scenario where other host is
down OR they have just lost their connectivity.

Any idea how to solve this issue or any books, references etc ?
Your responses will be deeply appreciated.

Regards,
Anuj Garg

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[Aneesh Kumar K.V]

Hi,

http://www.dell.com/us/en/esg/topics/power_ps1q01-linux.htm

-aneesh

Post by Anuj Garg
In a clustered environment typically hosts are interconnected
using network connection, and maintains record of each other
health using heartbeat mechanism.
If network link between hosts is down then it splits the network
in two halfs with each host assuming that it is the master of
the network. Since there is no connection between the hosts they
can't differentiate between the scenario where other host is
down OR they have just lost their connectivity.
Any idea how to solve this issue or any books, references etc ?
Your responses will be deeply appreciated.
Regards,
Anuj Garg
__________________________________________________
Do You Yahoo!?
LAUNCH - Your Yahoo! Music Experience
http://launch.yahoo.com
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